Machinery fob jointing staves



' e by which it is operated.

T FICE.

SAMUEL JOBES, OF MOUNDSVILLE, VIRGINIA.

MACHINERY FOR JOINTING STAVES.

Specicaton of Letters Patent No. 6,685, dated August 28, 1849.

To aZZ whom, t may concern:

Be it known that I, SAMUEL JoBEs, of Moundsville, in the county ofMarshall and State of Virginia, have invented a new and Improved Machinefor Jointing Staves, of which the following is a full, clear, and exactdescription, reference being had to the accompanying drawing, formingpart of this specification, in which- Figure l represents a perspectiveview of my machine, and Fig'. 2 a plan of the same with the upperport-ions' removed to show the arrangement for working the carriage.

The nature of my invention consists in giving an oscillating motion tothe stave carriage while the stave upon it is acted upon by adouble-ironed plane, in such manner that while the proper level is giventol the stave, it at the same operation receives the'proper taper ineach direction from its center.

In the drawing A is the frame of the machine supported at a suitabledistance above the ground on legs (L, a, a', and forming a bench towhich the other members of the machine are att-ached. The plane-stock B,is supported on a rail b, which extends longitudinally across the bench,and is guided in a straight line by guide-rails c, c, on each side. Thefriction of the plane stock against these is reduced by friction wheelsattached to it. The stock is furnished with two irons cZ, CZ, so placedas to cut in opposite directions, and has a handle The stave is securedto an oscillating carriage C, this consists of a flat plate f whichoscillates on a pivot g, attached to a bar ZL. sliding transversely inmortices in the frame of the machine, to the top of this plate twostandards z', z', are attached, which are pierced at their upperextremities to receive .the pivots of a swinging bar j, suspended fromthem by its upper edge; two parallel bars Zo, 7c, of equal length arehinged to the lower part of this swing bar against which the stave to bejointed is pushed. The stave is prevented from moving endwise in onedirection by a stop Z, secured to the fiat plate, and in the oppositedirection by an adjustable stop Z sliding on the plate which also clampsit to the carriage. The proper bevel is obtained by the use of two ormore blocks m, secured to the plate f and which raise the edgefurtherest from the plane stock. In order, to give the right taper toproduce a proper bulge in the barrel or keg, an oscillating motion isgiven to the carriage while the plane iron is acting on the stave thisis obtained from the plane stock by the following arrangement: A bar n,is hinged to the back of the frame A, to which a vibrating motion isgiven by passing its front extremity through a mortice in an upright 0,depending from the plane-stock; this bar is connected by cords or linksp, p, with a plate g, beneath the. carriage which thus receives areciprocating motion in a direction parallel with that of the planestock; the sliding plate is furnished with two inclined planes r, 11,which act upon pins s, s, projecting' from the under side of the platef. As then the plane stock is propelled from one end of the frame to theother, the sliding plate accompanies it and acting on the pins s, s,alternately forces each extremity of the stave edgewise against theplane stock; and as this motion is progressive during t-he action of theplane irons a curved edge will be given to the stave. The plane stock isfurnished with two irons (Z, rZ, to act alternately in oppositedirections on each half of the stave, always cutting' with the grain andthus producing a smooth joint. lVhen'for example the right plane iron has arrived at the end of its course, the left one is at the middle ofthe stave and ready to act in turn upon the other half. The width of thestave is gaged by adjusting the oscillating carriage at a greater orless distance from the plane stock by moving the bar ZL, in which thepivot g, is secured; this is effected by means of an eccentric o, actingin a socket sunk in the bar ZL, and operated by a handle attached to it;as this handle is vibrated, the eccentric forces the bar, and with itthe carriage, either from or toward the plane stock. The carriage is setto joint a stave of any required width by an index t, attached to theeccentric which traverses an arc graduated according to the differentwidths required. rlhe equal width of the two extremities of the stave isguaranteed by means of the parallel bars which being of equal length andointed to the lower edge of the swing bar at equal distances from itsaxis hold the stave parellei to the edge of the carriage until it is thelatter substantially in the manner hereclamped by the sliding stop. inset forth.

What I claim as my invention and desire i SAML. JoBEs.

to secure by Letters Patent is- A 5 Combining an oscillating stavecarriage itnessesr (C) With a reciprocating plane (B) in Such WV. H.OLDHAM, manner that the former shall be operated by WM. R. MCDONALD.

